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Licking bees and pulping trees: The reign of a wasp queen

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The longest recorded case of hiccups lasted for 68 years ... and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups. But what causes these 'hics' in the first place?

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Are you a good listener? 4 Steps to becoming one!

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Are you a good listener? 4 Steps to becoming one!

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We hear a lot about how to speak well in public, but very little about how to learn the equally important art of listening properly to others. This video describes four steps to becoming a good listener.

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What does it mean to be a refugee? - Benedetta Berti and Evelien Borgman

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About 60 million people around the globe have been forced to leave their homes to escape war, violence and persecution. The majority have become Internally Displaced Persons, meaning they fled their homes but are still in their own countries. Others, referred to as refugees, sought shelter outside their own country.

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Is there a disease that makes us love cats?

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Is there a disease that makes us love cats?

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Is there a disease that makes us love cats? - Jaap de Roode

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Today, about a third of the world's population is infected with a strange disease called toxoplasmosis - and most of them never even know it. And while the parasite can multiply in practically any host, it can only reproduce sexually in the intestines of cats.

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We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need?

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Cell Systems

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The surprising reason you feel awful when you're sick - Marco A. Sotomayor

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It starts with a tickle in your throat that becomes a cough. Your muscles begin to ache, you grow irritable, and you lose your appetite. It's official: you've got the flu. It's logical to assume that this miserable medley of symptoms is the result of the infection coursing through your body - but is that really the case?

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Fluids

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Why is ketchup so hard to pour? - George Zaidan

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Ever go to pour ketchup on your fries...and nothing comes out? Or the opposite happens, and your plate is suddenly swimming in a sea of red? George Zaidan describes the physics behind this frustrating phenomenon, explaining how ketchup and other non-Newtonian fluids can suddenly transition from solid to liquid and back again.

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Weird Stuff

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Why do cats act so weird? - Tony Buffington

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They're cute, they're lovable, and judging by the 26 billion views on over 2 million YouTube videos of them, one thing is certain: cats are very entertaining. But their strange feline behaviors, both amusing and baffling, leave many of us asking: Why do cats do that?